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Diffstat (limited to 'impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextBinarySerializerImplTest.java')
-rw-r--r-- | impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextBinarySerializerImplTest.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextBinarySerializerImplTest.java b/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextBinarySerializerImplTest.java new file mode 100644 index 00000000..26a072f6 --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextBinarySerializerImplTest.java @@ -0,0 +1,94 @@ +/* + * Copyright 2017, OpenCensus Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.opencensus.implcore.tags.propagation; + +import static com.google.common.truth.Truth.assertThat; + +import com.google.common.collect.ImmutableSet; +import io.opencensus.implcore.tags.TagsComponentImplBase; +import io.opencensus.implcore.tags.TagsTestUtil; +import io.opencensus.tags.Tag; +import io.opencensus.tags.TagContext; +import io.opencensus.tags.TagKey; +import io.opencensus.tags.TagValue; +import io.opencensus.tags.TaggingState; +import io.opencensus.tags.TagsComponent; +import io.opencensus.tags.propagation.TagContextBinarySerializer; +import io.opencensus.tags.propagation.TagContextDeserializationException; +import io.opencensus.tags.propagation.TagContextSerializationException; +import java.util.Iterator; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +/** + * Tests for {@link TagContextBinarySerializerImpl}. + * + * <p>Thorough serialization/deserialization tests are in {@link TagContextSerializationTest}, + * {@link TagContextDeserializationTest}, and {@link TagContextRoundtripTest}. + */ +@RunWith(JUnit4.class) +public final class TagContextBinarySerializerImplTest { + private final TagsComponent tagsComponent = new TagsComponentImplBase(); + private final TagContextBinarySerializer serializer = + tagsComponent.getTagPropagationComponent().getBinarySerializer(); + + private final TagContext tagContext = + new TagContext() { + @Override + public Iterator<Tag> getIterator() { + return ImmutableSet.<Tag>of(Tag.create(TagKey.create("key"), TagValue.create("value"))) + .iterator(); + } + }; + + @Test + @SuppressWarnings("deprecation") + public void toByteArray_TaggingDisabled() throws TagContextSerializationException { + tagsComponent.setState(TaggingState.DISABLED); + assertThat(serializer.toByteArray(tagContext)).isEmpty(); + } + + @Test + @SuppressWarnings("deprecation") + public void toByteArray_TaggingReenabled() throws TagContextSerializationException { + final byte[] serialized = serializer.toByteArray(tagContext); + tagsComponent.setState(TaggingState.DISABLED); + assertThat(serializer.toByteArray(tagContext)).isEmpty(); + tagsComponent.setState(TaggingState.ENABLED); + assertThat(serializer.toByteArray(tagContext)).isEqualTo(serialized); + } + + @Test + @SuppressWarnings("deprecation") + public void fromByteArray_TaggingDisabled() + throws TagContextDeserializationException, TagContextSerializationException { + byte[] serialized = serializer.toByteArray(tagContext); + tagsComponent.setState(TaggingState.DISABLED); + assertThat(TagsTestUtil.tagContextToList(serializer.fromByteArray(serialized))).isEmpty(); + } + + @Test + public void fromByteArray_TaggingReenabled() + throws TagContextDeserializationException, TagContextSerializationException { + byte[] serialized = serializer.toByteArray(tagContext); + tagsComponent.setState(TaggingState.DISABLED); + assertThat(TagsTestUtil.tagContextToList(serializer.fromByteArray(serialized))).isEmpty(); + tagsComponent.setState(TaggingState.ENABLED); + assertThat(serializer.fromByteArray(serialized)).isEqualTo(tagContext); + } +} |